MATHEMATICS COLLEGE

Pls help this is very easy

Answers

Answer 1

Answer:

Answer:

20/9

Step-by-step explanation:

Alright, so by using the "keep me, change me, turn me over" method - we can easily solve this:

$(8)/(9)/ (2)/(5)\n=(8)/(9)* (5)/(2)\n=(4)/(9)* (5)/(1)\n=(4* \:5)/(9* \:1)\n=(20)/(9)$

I hope I was of assistance!#SpreadTheLove <3

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Solve the system using elimination.7x + 10y = 27X-10y = -19The solution is(Simplify your answer. Type an ordered pair.)

$500 shared in ratio 2:3:9

Answers

2:3:9......added together = 14

2/14 (500) = 1000/14 = 71.43
3/14 (500) = 1500/14 = 107.14
9/14 (500) = 4500/14 = 321.43

Ty stacked some large wooden blocks. Each block is 1/3 ft tall. His stack of blocks measures 5 ft. How many blocks are in Ty's stack?

Answers

5 / (1/3) = 15

Ty’s stack has 15 blocks.

Find cardinality of set B

B = {∅, {1}, {1, 2}, {1, 2,3}, · · · , {1, 2, · · · , m}}

Answers

Answer:

m + 1

Step-by-step explanation:

Given set,

B = {∅, {1}, {1, 2}, {1, 2,3}, · · · , {1, 2, · · · , m}},

Since, the elements of S are,

{} , {1}, {1, 2}, {1, 2, 3}....... {1, 2,.....m }

Thus, every next set contains one more succeeding natural number than the previous set.

So, if the last set contains m natural numbers.

Then there are 'm + 1' sets in B ( m sets included ∅ )

Hence, the number of elements in B is 'm+1'

I.e. Cardinality of B is m + 1.

Please answer and explain ILL MARK BRAINLIEST

Answers

Answer:

a) x²-x-6

b) 2x²-11x+12

c) x²-4

Step-by-step explanation:

See image!

Please help with the last question & explain it to me. Thank you.

Answers

Answer:

No because he only won 3/4 not more than 3/4

Step-by-step explanation:

So the part where it says I have won more than 75% of all the games I have played, it is saying he has won more than 75% or 3/4? Which he only won 3/4 not more. 75% is equal to 3/4.

Find a counterexample: Two sides of atriangle can never have the same length (You
may explain in a phrase).

Answers

Answer: Any isosceles triangle is a counter example. More specifically, a triangle with sides 7, 7 and 3

When forming your triangle, make sure you apply the triangle inequality theorem. This is the idea where adding any two sides leads to a result larger than the third side. So we have

7+7 = 14 which is larger than 3

7+3 = 10 which is larger than 7

By definition, an isosceles triangle has two congruent sides. Some books say "at least 2 congruent sides", but I'll go with the first definition. If you want all three sides to be congruent, then you'd go for the term "equilateral".